21333314211 has 32 divisors (see below), whose sum is σ = 31409664000. Its totient is φ = 12771924480.

The previous prime is 21333314207. The next prime is 21333314221. The reversal of 21333314211 is 11241333312.

It is not a de Polignac number, because 21333314211 - 2² = 21333314207 is a prime.

It is a super-2 number, since 2×21333314211² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21333314201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1203390 + ... + 1220988.

It is an arithmetic number, because the mean of its divisors is an integer number (981552000).

Almost surely, 2^21333314211 is an apocalyptic number.

21333314211 is a deficient number, since it is larger than the sum of its proper divisors (10076349789).

21333314211 is a wasteful number, since it uses less digits than its factorization.

21333314211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18059.

The product of its digits is 1296, while the sum is 24.

Adding to 21333314211 its reverse (11241333312), we get a palindrome (32574647523).

The spelling of 21333314211 in words is "twenty-one billion, three hundred thirty-three million, three hundred fourteen thousand, two hundred eleven".